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飞机制造是技术资本双密集型的产业,按照产业链可分为4级,第一层为飞机整机制造业;第二层为飞机主要零部件制造业,包括引擎、机身、机翼及尾翼、起落系统等:第三层为次级部件制造业;第四层为飞机制造支持服务,如机身及部件热处理、化学处理、精密加工、设备测试以及整机及部件物流等。近年来,亚太国家在西方飞机制造企业的全球布局中占据越来越重要的地位,主要因为低廉的成本以及国产化政策。目前,北美及西欧仍是主要的飞机制造市场,享有60%的份额,而
Aircraft manufacturing is a technology-intensive capital-intensive industry. According to the industry chain, it can be divided into four levels, with the first tier being the entire aircraft manufacturing industry. The second tier is the major parts manufacturing industry of the aircraft, including engines, fuselages, wings and Empennage, landing gear, etc. The third tier is the manufacturing of the secondary components. The fourth tier is the aircraft manufacturing support services such as heat treatment of the fuselage and components, chemical treatment, precision machining, equipment testing and complete machine and parts logistics. In recent years, the Asia-Pacific countries occupy an increasingly important position in the global layout of Western aircraft manufacturers, mainly due to the low cost and the localization policy. At present, North America and Western Europe are still the major markets for aircraft manufacturing, with a 60% share